07-00407 E 08/2006 Copyright 2006 Dri-Eaz Products, Inc.
14
TROUBLESHOOTING
In COLUMN 3, "FS" or Field Solutions can be handled by the technician in the field. Other solutions
should be handled by an Authorized Service Technician, or "AST."
PROBLEM CAUSE
See
Above
SOLUTION
Burner does not start
up
No power to unit FS Plug in the unit; check power at outlet.
HEAT switch not turned
on
FS Turn HEAT switch to "On.
Setpoint too low FS Reprogram the thermostat and raise the setpoint above
ambient temperature.
Malfunction in the
automatic oil firing
system (Flame Safety
Control Button will
illuminate)
FS Wait one minute, and then press the illuminated Flame
Safety Control Button.
Air bubbles in fuel oil
line (especially on first
start up)
FS Press the Flame Safety Control Button. The burner will try to
start up. If the burner does not start after approx. 1 minute,
press the Flame Safety Control Button again. Repeat until
the fuel line is clear of air bubbles and the burner starts
Thermal overload FS Press the Temperature-Limiter Reset Button. See section
on "Preventing Thermal Overload."
Unit was turned off by
being unplugged
FS Press the Temperature-Limiter Reset Button. See section
on "Shutting the Dragon off."
Burner starts up then
shuts down, Flame
Control Reset Button
lights up
Fuel tank empty FS Refill fuel tank.
Fuel line shut-off valve
closed
FS Open fuel line shut-off valve.
Fuel lines not
connected
FS Connect fuel lines.
Fuel intake filter is dirty FS Replace the fuel intake filter.
Fuel pump screen is
dirty or damaged
FS Clean or replace fuel pump screen.
Burner nozzle filter is
dirty
AST Call authorized service center.
Fuel line leaks and lets
in air
AST Call authorized service center.
Fuel pump produces no
pressure
AST Call authorized service center.
Burner starts but does
not ignite, Flame Safety
Control Button lights
up
No ignition spark AST Call authorized service center.
Burner nozzle clogged AST Call authorized service center.
Flame goes out
or burns unsteadily
Fuel intake filter is dirty FS Replace the fuel intake filter.
Fuel pump screen is
dirty or damaged
FS Clean or replace fuel pump screen.
Burner nozzle filter is
dirty
AST Call authorized service center.
Fuel line leaks and lets
in air
AST Call authorized service center.
Burner nozzle is
clogged
AST Call authorized service center.
Combustion air mixture
adjusted improperly
AST Call authorized service center.
Burner does not switch
off
Thermostat placed
improperly
FS Move thermostat so that it is not subject to cold air flow from
doorways, windows, etc.
Thermostat defective AST Call authorized service center.
Burner switches off too
early
Thermostat placed
improperly
FS Move thermostat so that it is not subject to warm air flow or
heat radiation from the sun, machines, hot water pipes, etc.
Black or gray/white
smoke from flue
Improper air to fuel ratio AST Call authorized service center or HVAC specialist.
Black/white exhaust Air intake vents are
dirty or obstructed.
AST Avoid setting up unit where the intake could be blocked or
restricted, i.e., tall grass, deep snow, etc. Blocking the air
intake will cause the unit to burn inefficiently resulting in
sooty exhaust and potential damage to the unit and the
structure being heated. Call authorized service center or
HVAC specialist.
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